CoastalUS Coast Guard LNM - Northwest District (D13)MessagesLNM13-50E357LNM13-50E357Received: 30 Sept 2026, 00:00Updated: 11 Nov 2026, 19:06SubscribeCopyShareShow on mapPrintExportSearchMessage contentLAKE CELILO General / Bridges The Celilo rail bridge green open span light is extinguished. Position 45-38.95N 120-58.90W USCG Northwest District Local Notice to Mariners 45/2026Location mapOpen on the full mapMore from US Coast Guard LNM - Northwest District (D13)LNM13-22450D2026-11-11COLUMBIA RIVER - NORTH PORTLAND HARBOR General / Marine Construction (Excluding Bridges) / Dredging HME will be performing dredging operations near CBC East Barge Slip, Columbia River (RM 108) from 15LNM13-65C59B2026-11-11CRIMS ISLAND TO ST HELENS - MARTIN ISLAND General / Marine Construction (Excluding Bridges) / Dredging The M/V YAQUINA may be conducting dredging activities in the Columbia River, Eureka Bar/Gull IslaLNM13-3B7F662026-11-11COLUMBIA RIVER - PUGET ISLAND General / Marine Construction (Excluding Bridges) / Dredging The M/V ESSAYONS may be conducting dredging activities in the Columbia River, Puget Island Bar (RM 37+35 to RLNM13-7786DD2026-11-04archivedCOLUMBIA RIVER - EUREKA General / Marine Construction (Excluding Bridges) / Dredging The M/V YAQUINA may be conducting dredging activities in Yaquina Bay Entrance (RM 51+10 to RM 52+10) from 03 – 10 NLNM13-8CEC352026-10-28archivedVANCOUVER TO BONNEVILLE - LADY ISLAND General / Miscellaneous Advanced American Construction will be operating the derrick barge DB 4100 from 26OCT26 through 04NOV26 near the entrance of Chinook LandiLater warningsLNM13-A7705F2026-09-30PUGET SOUND - SHILSHOLE BAY General / Miscellaneous Hiram M. Chittenden Locks will close the Small Locks from 06:00, 07 DEC 2026 to 18:00, 18 JAN 2027, to conduLNM13-86A5642026-09-30STRAIT OF JUAN DE FUCA - SEQUIM BAY General / Miscellaneous The Pacific Northwest National Laboratory (PNNL) will be deploying a buoy for research activities inLNM13-2C67F02026-09-30SNOHOMISH RIVER General / Bridges BNSF Railway will install scaffolding 4 feet below the north part of the bridge for maintenance from October 13, 2026, to NoveEarlier warningsLNM13-5806442026-09-30STRAIT OF JUAN DE FUCA - SEQUIM BAY General / Autonomous Vessel Operations The Pacific Northwest National Laboratory (PNNL) will be deploying an autonomous dockLNM13-E43A5A2026-09-30archivedPUGET SOUND General / Bridges PUBLIC NOTICE (04-26) Seeking Comments on Navigation Only The Commander, Northwest Coast Guard District, has received a request foLNM13-45312C2026-09-30archivedUNION BAY REACH - LAKE WASHINGTON General / Bridges / Temp Deviation WASHINGTON – LAKE WASHINGTON SHIP CANAL – Montlake Bridge deviation notice The Coast GuardBack to messages